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Loose Untreated Gemstones: Certified Natural Gems for Collectors and Jewelry, Wholesale Untreated Stones

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ID: 480764
Weight: 4.98ct (total)
Size: 9 mm (calibrated)
Clarity: Translucent
Content: 2 pcs
Price: $ 35.50
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ID: 584811
Weight: 1.72ct (total)
Size: 8 x 6 mm (calibrated)
Clarity: VS
Content: 2 pcs
Price: $ 103.20
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ID: 627632
Weight: 8.06ct
Size: 16.8 x 11.8 mm
Clarity: Opaque
Content: 1 pc
Price: $ 74.47
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ID: 725880
Weight: 1.37ct (total)
Size: 6 x 6 mm (calibrated)
Clarity: VVS-VS
Content: 2 pcs
Price: $ 13.15
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ID: 732982
Weight: 0.94ct
Size: 6 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 22.56
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ID: 730105
Weight: 2.30ct
Size: 10 x 8 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 20.59
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ID: 494895
Weight: 4.15ct
Size: 12 x 10 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 29.86
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ID: 683571
Weight: 5.59ct
Size: 15.9 x 8.9 mm
Clarity: Opaque
Content: 1 pc
Price: $ 51.78
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ID: 436997
Weight: 3.69ct (total)
Size: 8 mm (calibrated)
Clarity: VS
Content: 2 pcs
Price: $ 7.31
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ID: 475567
Weight: 23.72ct
Size: 32.4 x 21.5 mm
Clarity: Opaque
Content: 1 pc
Price: $ 46.97
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ID: 451218
Weight: 1.59ct (total)
Size: 5 x 5 mm (calibrated)
Clarity: VVS-VS
Content: 2 pcs
Price: $ 14.69
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ID: 621031
Weight: 4.47ct (total)
Size: 12.2 x 6.1 mm
Clarity: VVS-VS
Content: 2 pcs
Price: $ 41.30
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ID: 381930
Weight: 3.44ct (total)
Size: 3.5 mm (calibrated)
Clarity: VS
Content: 20 pcs
Price: $ 165.49
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ID: 718188
Weight: 0.60ct
Size: 5 x 4 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 18.00
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ID: 710766
Weight: 2.28ct
Size: 12 x 6 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 6.07
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ID: 445826
Weight: 2.29ct
Size: 8.5 x 6.9 mm
Clarity: VS
Content: 1 pc
Price: $ 109.33
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ID: 718116
Weight: 0.02ct
Size: 2 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 19.20
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ID: 549140
Weight: 4.91ct (total)
Size: 10 x 8 mm (calibrated)
Clarity: Translucent
Content: 2 pcs
Price: $ 45.37
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ID: 679062
Weight: 19.84ct
Size: 20 x 15 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 71.90
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ID: 678370
Weight: 3.80ct
Size: 10 x 10 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 136.80
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ID: 656187
Weight: 3.48ct
Size: 10 x 10 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 5.42
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ID: 693369
Weight: 21.22ct
Size: 24.6 x 23.2 mm
Clarity: Opaque
Content: 1 pc
Price: $ 14.77
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ID: 539711
Weight: 2.10ct
Size: 7 x 7 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 41.00
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ID: 479548
Weight: 2.18ct (total)
Size: 10.1 x 5.1 mm
Clarity: VVS-VS
Content: 2 pcs
Price: $ 23.02
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ID: 413679
Weight: 9.65ct
Size: 14 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 265.38
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ID: 393428
Weight: 3.55ct
Size: 9.7 x 9.4 mm
Clarity: Transparent
Content: 1 pc
Price: $ 23.44
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ID: 418247
Weight: 5.38ct
Size: 12.6 x 8.5 mm
Clarity: Translucent
Content: 1 pc
Price: $ 28.40
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ID: 390658
Weight: 1.62ct (total)
Size: 5 x 3 mm (calibrated)
Clarity: VS
Content: 6 pcs
Price: $ 104.27
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ID: 592882
Weight: 1.43ct
Size: 9 x 7 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 56.63
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ID: 556632
Weight: 1.63ct
Size: 8 x 6 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 13.63
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ID: 401650
Weight: 3.68ct (total)
Size: 6.8 x 5.4 mm
Clarity: VVS-VS
Content: 4 pcs
Price: $ 181.67
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ID: 479368
Weight: 2.69ct (total)
Size: 10.1 x 5.2 mm
Clarity: VVS-VS
Content: 2 pcs
Price: $ 28.40
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ID: 350534
Weight: 2.79ct (total)
Size: 3 x 3 mm (calibrated)
Clarity: Transparent
Content: 20 pcs
Price: $ 63.72
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ID: 637740
Weight: 2.05ct
Size: 9 x 7 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 19.07
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ID: 721636
Weight: 7.37ct
Size: 10.8 x 10.2 mm
Clarity: Opaque
Content: 1 pc
Price: $ 8.84
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ID: 633043
Weight: 20.13ct
Size: 21.1 x 14.9 mm
Clarity: Opaque
Content: 1 pc
Price: $ 107.02
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ID: 678394
Weight: 21.96ct (total)
Size: 25 x 18 mm (calibrated)
Clarity: Transparent
Content: 2 pcs
Price: $ 26.35
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ID: 449631
Weight: 4.14ct (total)
Size: 10 x 8 mm (calibrated)
Clarity: VVS-VS
Content: 2 pcs
Price: $ 27.32
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ID: 647248
Weight: 14.90ct
Size: 15.6 x 12.6 mm
Clarity: Opaque
Content: 1 pc
Price: $ 35.76
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ID: 573672
Weight: 4.82ct
Size: 11 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 38.17
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ID: 365347
Weight: 1.56ct
Size: 7.7 x 5.9 mm
Clarity: VS
Content: 1 pc
Price: $ 174.65
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ID: 584660
Weight: 9.39ct
Size: 17.1 x 11.2 mm
Clarity: Opaque
Content: 1 pc
Price: $ 88.74
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ID: 476075
Weight: 3.97ct
Size: 10 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 23.23
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ID: 390952
Weight: 1.35ct
Size: 16.3 x 3.4 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 39.20
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ID: 470800
Weight: 10.97ct
Size: 12 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 506.82
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ID: 459713
Weight: 9.60ct
Size: 15 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 19.01
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ID: 675182
Weight: 3.03ct
Size: 10 x 10 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 25.45
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ID: 723890
Weight: 22.38ct
Size: 17.4 x 12.1 mm
Clarity: Opaque
Content: 1 pc
Price: $ 26.59
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ID: 644444
Weight: 0.88ct
Size: 6 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 7.39
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ID: 642112
Weight: 1.01ct
Size: 7 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 47.27
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ID: 723009
Weight: 0.54ct
Size: 5 x 5 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 16.20
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ID: 431521
Weight: 1.38ct (total)
Size: 5 x 5 mm (calibrated)
Clarity: VS
Content: 2 pcs
Price: $ 14.56
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ID: 701061
Weight: 8.19ct
Size: 10 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 7.86
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ID: 502942
Weight: 1.68ct
Size: 14.5 x 3.8 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 55.44
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ID: 711497
Weight: 2.39ct
Size: 10 x 7 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 6.37
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ID: 619777
Weight: 26.05ct (total)
Size: 25 x 18 mm (calibrated)
Clarity: Translucent
Content: 2 pcs
Price: $ 68.77
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ID: 453657
Weight: 1.23ct
Size: 10 x 7 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 11.36
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ID: 488066
Weight: 5.78ct
Size: 12 x 10 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 58.98
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ID: 562149
Weight: 5.14ct
Size: 11.5 x 9.5 mm
Clarity: VS-SI
Content: 1 pc
Price: $ 271.39
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ID: 535371
Weight: 1.54ct
Size: 9 x 7 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 55.44
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FAQs

What are loose untreated gemstones?

Loose untreated gemstones are natural stones that have not undergone any artificial treatments or enhancements. Examples include unheated sapphires, untreated rubies, and unenhanced diamonds, which maintain their natural beauty and originality.

Why should I choose untreated gemstones over treated ones?

Untreated gemstones, such as unheated topaz and virgin untreated stones, are valued for their authenticity and rarity. These certified untreated gems are perfect for collectors and those seeking ethically sourced, natural stones for unique jewelry designs.

Are untreated gemstones suitable for engagement rings?

Yes, untreated gemstones like GIA-certified natural gems, unenhanced diamonds, and untreated rubies are excellent choices for engagement rings. They offer timeless elegance and are ideal for creating one-of-a-kind designs that reflect personal style.

What makes rare untreated gems valuable for collectors?

Rare untreated gems for collectors, such as authentic untreated crystals and unheated and untreated stones, are prized for their natural appearance and limited availability. Their untouched state makes them highly desirable and a great investment.

How can I ensure the quality of loose untreated gemstones?

Always choose certified untreated gems, like GIA-certified natural gems, to guarantee authenticity and quality. These stones undergo thorough evaluation to ensure they meet the highest standards, making them ideal for both personal collections and jewelry projects.

What types of untreated gemstones are available?

Our collection includes a variety of untreated gemstones such as unheated sapphires, untreated rubies, unenhanced diamonds, and unheated topaz. Each stone is carefully selected to offer unmatched quality and natural beauty.

Are untreated gemstones more expensive than treated ones?

In many cases, untreated gemstones, like precious untreated gemstones and virgin untreated stones, can be more valuable due to their rarity and natural state. Their unique characteristics make them highly sought after by collectors and jewelry enthusiasts.

GemSelect Certified Store Reviews

GemSelect: Over 22 Years in the Gemstone Business! Thank you for trusting us with your purchase!

Overall Rating -> 10 star ratings

Always find more niche sizes/shapes as my unconventional designs require from this website. Recommending to fellow designers in the creative atmosphere on the usual, specially due to the quality and certification of gems.

Posted By Sina in April, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

I just bought some mystic quartz. Checkout was smooth and pleasant

Posted By Jay in July, 2024
Source: Bizrate

Overall Rating -> 8 star ratings

everything was fine

Posted By Marc in January, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

First time so this is an experiment! Shopping is so fun on this site, though!

Posted By Gem Delight in March, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

easy site to navigate

Posted By Curt's Cabochons in June, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Easy to conduct search, good amount of stock to select from along with variety of prices.

Posted By Que in June, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

This was a great time as always. The only problem I had was deciding between all the beautiful and affordable stones that met my requirements. I love shopping for sapphires!

Posted By Phoenix in August, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

very good

Posted By Son Gift in January, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

I searched for the size, dimensions and quality of the stones I was looking for and then compared and ordered.

Posted By Tim in March, 2025
Source: Bizrate

Why Choose Loose Untreated Gemstones?

Selecting loose untreated gemstones ensures you’re investing in authentic, natural beauty. Gems like unheated sapphires, untreated rubies, and unenhanced diamonds retain their original allure, free from artificial enhancements. These certified untreated gems are ideal for those seeking unique, ethical, and high-quality stones for custom jewelry or collections.

Perfect for Engagement Rings and Collectors

Our untreated gemstones, including GIA-certified natural gems, are highly sought after for engagement rings and collector’s pieces. With options like unheated topaz and virgin untreated stones, you can create a timeless design that reflects your individual style. Each gem is carefully selected for its purity and brilliance.

Rare and Exquisite Natural Gems

From authentic untreated crystals to precious untreated gemstones, our collection offers something for every taste. These rare untreated gems for collectors are perfect for showcasing the natural beauty of stones like unheated and untreated stones that remain untouched by enhancements, preserving their natural value and appeal.

Quality Assurance You Can Trust

Every stone in our selection of loose untreated gemstones is thoroughly inspected to meet the highest standards. Whether you’re looking for untreated gemstones for engagement rings or certified untreated gems for a special project, our collection ensures authenticity and unparalleled quality.

Read All

Over 19 Years in the Gemstone Business!

Thank you for trusting us with your purchase!

Overall Rating -> 10 star ratings

Always find more niche sizes/shapes as my unconventional designs require from this website. Recommending to fellow designers in the creative atmosphere on the usual, specially due to the quality and certification of gems.

Posted By Sina in April, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

I just bought some mystic quartz. Checkout was smooth and pleasant

Posted By Jay in July, 2024
Source: Bizrate

Overall Rating -> 8 star ratings

everything was fine

Posted By Marc in January, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

First time so this is an experiment! Shopping is so fun on this site, though!

Posted By Gem Delight in March, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

easy site to navigate

Posted By Curt's Cabochons in June, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Easy to conduct search, good amount of stock to select from along with variety of prices.

Posted By Que in June, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

This was a great time as always. The only problem I had was deciding between all the beautiful and affordable stones that met my requirements. I love shopping for sapphires!

Posted By Phoenix in August, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

very good

Posted By Son Gift in January, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

I searched for the size, dimensions and quality of the stones I was looking for and then compared and ordered.

Posted By Tim in March, 2025
Source: Bizrate

FAQ's

What are loose untreated gemstones?

Loose untreated gemstones are natural stones that have not undergone any artificial treatments or enhancements. Examples include unheated sapphires, untreated rubies, and unenhanced diamonds, which maintain their natural beauty and originality.

Why should I choose untreated gemstones over treated ones?

Untreated gemstones, such as unheated topaz and virgin untreated stones, are valued for their authenticity and rarity. These certified untreated gems are perfect for collectors and those seeking ethically sourced, natural stones for unique jewelry designs.

Are untreated gemstones suitable for engagement rings?

Yes, untreated gemstones like GIA-certified natural gems, unenhanced diamonds, and untreated rubies are excellent choices for engagement rings. They offer timeless elegance and are ideal for creating one-of-a-kind designs that reflect personal style.

What makes rare untreated gems valuable for collectors?

Rare untreated gems for collectors, such as authentic untreated crystals and unheated and untreated stones, are prized for their natural appearance and limited availability. Their untouched state makes them highly desirable and a great investment.

How can I ensure the quality of loose untreated gemstones?

Always choose certified untreated gems, like GIA-certified natural gems, to guarantee authenticity and quality. These stones undergo thorough evaluation to ensure they meet the highest standards, making them ideal for both personal collections and jewelry projects.

What types of untreated gemstones are available?

Our collection includes a variety of untreated gemstones such as unheated sapphires, untreated rubies, unenhanced diamonds, and unheated topaz. Each stone is carefully selected to offer unmatched quality and natural beauty.

Are untreated gemstones more expensive than treated ones?

In many cases, untreated gemstones, like precious untreated gemstones and virgin untreated stones, can be more valuable due to their rarity and natural state. Their unique characteristics make them highly sought after by collectors and jewelry enthusiasts.

Enlarged Gemstone Image